WORK STATEMENT. TASK 1A AIR BEARING - TUNNEL TYPE

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04747A003100020027-7
• Release Decision: RIFPUB
• Original Classification: K
• Document Page Count: 8
• Document Creation Date: December 28, 2016
• Document Release Date: July 13, 2000
• Sequence Number: 27
• Content Type: REQ

Approved For Release 2000/08/22 : CIA-RDP78BO4747AO03100020027-7
Contract-675-65WR
WORK STATEMENT. TASK IA
AIR BEARING - TUNNEL TYPE
1. Determine air flow and pressure source.
Assignment 974-012
2. Provide mounting for bearing over water tank. Extend sides to a-
least 3-inches below surface.
3. Using 9-1/2-inches thin base leader test bearing under various
load conditions measure air outlet pressure/flow, cushion
stability, flutter of film etc.
4. Repeat tests with 70mm and 5-inches leader.
5. If format changing is necessary, consider design requirements e.g.
mechanical against air control.
6. Prepare report giving performance of design, conclusions and
recommendations, give all plots, design basis etc.
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Contract-675-65WR
Assignment 974-012
WORK STATEMENT. TASK 1B
PHASE 1
ROTARY AIR BEARING
This program is the minimum required to produce information to
determine the feasilibity and design parameters for a self powered
air bearing.
1. Assemble and mount air bearing test bed.
2. Fit two fans and conduct all necessary tests at 5500 approx.
R. P. M. , with 9-1/2-inches thin base leader tests to include:
a) Cushion stability and depth evaluation.
b) Centering of film, drift off center.
c) Determination of necessity or otherwise of
edge guides.
3. Repeat test #2 using 4 fans at 3450 R. P.M. approx.
4. Repeat test #2 using 2-2-1/2-inches dia. wheels facing out.
5. Repeat test #4 by fitting spacers and cage using 2-2-1/2-inches
dia, wheels facing in.
6. Repeat test #5 using 2-2-1/2-inches dia, and 2-'-1/2-inches dia.
wheels.
7. From results, select most efficient arrangement and test using
9-1/2-inches thin base leader and lifting range of weights.
8. Repeat test using 70m/m and 5-inches widths of leader.
9. Prepare report giving conclusions and recommendations.
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Contra ct-6 75 -6 5WR
Assignment 974-006
WORK STATEMENT TASK 2
PHASE 1
POSITIVE PRESSURE TRANSPORT CAPSTAN
1. Determine optimum venturi gap.
2. Measure total output of lamb blower.
3. Measure pressure and flow through venturi.
4. Check effect of closing of orifice holes on venturi
performance. pressures and flows through orifice holes.
5. Close venturi and apply vacuum to capstan. Use low pressure side
of same blower. Measure low pressure output.
6. Repeat all tests made with positi
pressure. ve pressure using negative
7. Determine efficiencies with both Positive and negative pressures
applied.
8. Using both wet and d
torque loads wet and d standard types of film determine maximum
slippage occurs.
9. Repeat test #8 using no air flow to obtain comparative data.
10. Prepare report giving conclusions and recommendations.
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Contract-675-65WR
Assignment 974-013
WORK STATEMENT TASK 3
ROTATRON LIQUID BEARING
1 ? Using perforated cage, determine performance of bearing using
9-1/2-inches width thin base leader with standard load of
approximately 1-1/2 lb. at selected R. P. M. 's.
? After centering configuration is determined, establish cushion
stability under increasing load conditions using 9-1/2-inches
width leader at optimum R. P. M.
b . Replace perforated cage with slotted cage and repeat all tests
necessary, as
6. To establish photographic integrity
to an even density level is to be passed over the bear ng, toyed
determine if mottling or streaking etc. occurs.
7. Note all results, plot load, pressure and flow charts, es i
H, P- , efficiency etc. t mate
8. Prepare report, with conclusions and recommendations necessary sketches of proposed production version, and if
--- ti+-Laill a centering effect, fit a cushion profiling girdle within,
the cage and repeat test 1 checking for centering of film action.
Lj L J using 70 m/m and 5-inches film widths.
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Contract-675-65WR
Assignment 974-014
WORK STATEMENT TASK 4
RESEARCH INTO HEAT SHOCK F:[LM DEVELOPMENT
1? Conduct a literature research to define state-of-the-art. Note:
emphasis should be placed on H.F. records and reports.
2. On the basis of previous H.P. findings, design a developing tework and on st tank util zing to the full
available equipment.
3. Design and construct models of heat shock generators and
Power supplies.
4. Assemble test tank ready for test program.
5. Prepare sam 1
p es of the following emulsions: 4400, 4401, 4404,
8430, 5427, 2427.
Each sample is to consist of the following..
2 3 4 3
a) Film evenly exposed to a known density.
b) Step wedges and resolution targets.
c) Exposed areas for heat shock tests.
d) Exposed area rotated by 90 degrees to determine exposure
markings.
7. The above test samples can be used for single levels of heat
shock application or variable on set levels during run of film,
the lengths represented by item 3 would be for this purpose,
one length for up seale heat application and the other for down
scale.
8. At least three of each sample should be initially prepared.
(more)
Head
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Contract-675-65WR
WORK STATEMENT TASK 4 continued
Assignment 974-014
9. A careful recording of all parameters is required, developer
temperature and P. H. F. P. M. of transport, energy level of
heat shock generator, depth of meniscus and etc.
10. Determine minimum energy levels to maximum energy levels,
determine relationship between basic developer temperature,
applicator temperature, transport speed FPM, and fog, density,
gamma resolution and etc. Record all data in standard terms.
11. As each stage of this program is reached, a detailed scheduled
will be prepared.
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Contract-675-65WR
Assignment 974-004
WORK STATEMENT TASK 6
PHASE 2
ELEVATED TEMPERATURE SENSITOMETRIC STUDIES
This phase of the program which is an alternative to Phase 1 will study
the emulsions used in the original contract, i.e. film type 4400, 4401
and 4404 but in place of holding gamma to a consistent level, a family
of three curves for each emulsion will be determined to enable selection
of any gamma best suited to a specific subject matter. The resultant
performance in terms of time/temperature, resolution and etc. will be
determined,
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Contract-6 75 -65WR.
Assignment 974-017
WORK STATEMENT TASK 8
RESEARCH INTO FILM DRYING TECHNIQUES
This program is designed to investigate new techniques of drying silver
halide emulsion film.
1. Conduct a state-of-the-art survey.
2. Consider all possible methods including negative pressure, cold
air, chemical evaporators etc.
3. Conduct laboratory tests to determine feasibility, efficiency, etc,
of various methods.
4. On the basis of results, prepare a preliminary design incorporating
the recommended techniques.
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